1. Department of Clinical and Experimental Medicine School of Dentistry University of Foggia Foggia Italy
2. Salus Oris srl Vallesaccarda (AV) Italy
3. Department of General Surgery and Medical‐Surgical Specialties School of Dentistry Unit of Oral Surgery and Prosthodontics University of Catania Catania Italy
4. Department of Prosthodontics Eastman Institute for Oral Health University of Rochester Rochester New York USA